Patents by Inventor Hiroki Tujimura

Hiroki Tujimura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • SEMICONDUCTOR LIGHT EMISSION DEVICE EMITTING POLARIZED LIGHT AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20080179610
    Abstract: A semiconductor light emission device including: a nitride semiconductor stack having an active layer capable of emitting light, a growth surface of the nitride semiconductor stack being a substantially nonpolar plane or substantially semipolar plane; and a reflection section formed in a surface of the device opposite to a light extraction surface through which the light emitted from the active layer is extracted, the reflection section reflecting the light to the light extraction surface.
    Type: Application
    Filed: October 22, 2007
    Publication date: July 31, 2008
    Applicant: ROHM CO., LTD.
    Inventors: Kuniyoshi OKAMOTO, Satoshi Nakagawa, Hiroki Tujimura